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mm/khugepaged: remove unneeded shmem_huge_enabled() check

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Patch series "A few cleanup patches for khugepaged", v2.

This series contains a few cleaup patches to remove unneeded return value,
use helper macro, fix typos and so on.  More details can be found in the
respective changelogs.


This patch (of 7):

If we reach here, khugepaged_scan_mm_slot() has already made sure that
hugepage is enabled for shmem, via its call to hugepage_vma_check(). 
Remove this duplicated check.

Link: https://lkml.kernel.org/r/20220625092816.4856-1-linmiaohe@huawei.com
Link: https://lkml.kernel.org/r/20220625092816.4856-2-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Reviewed-by: Zach O'Keefe <zokeefe@google.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: David Howells <dhowells@redhat.com>
Cc: NeilBrown <neilb@suse.de>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2022-06-25 17:28:10 +08:00 committed by akpm
parent f673bd7c26
commit dd5ff79d4a
1 changed files with 0 additions and 2 deletions
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2
mm/khugepaged.c
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@ -2145,8 +2145,6 @@ skip:
if (khugepaged_scan.address < hstart)
khugepaged_scan.address = hstart;
VM_BUG_ON(khugepaged_scan.address & ~HPAGE_PMD_MASK);
if (shmem_file(vma->vm_file) && !shmem_huge_enabled(vma))
goto skip;
while (khugepaged_scan.address < hend) {
int ret;